Engine speed prediction method for engine control

Details Engine speed prediction method for engine control Engine speed prediction method for engine control

1991-07-22

1998-03-10

Teska, Kevin J.

Boots, shoes, and leggings

36443103, 123417, 123418, 123419, F02P 515

Patent

active

057268924

ABSTRACT:
Using a plurality of engine position reference pulses for each cylinder event, several reference periods for each cylinder event are defined and the engine speed can be accurately predicted for the current reference period and for future reference periods using position data from only the current combustion interval. For speed control the start of injection and start of spark dwell are computed based on predicted engine speeds for periods after those functions are started. Adaptive prediction gains are used to update the prediction algorithms to reflect the current engine operation conditions and minimize prediction error.

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